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  5. 求第四題過程 謝謝🙇
TVET CHNS,Eng,Maths
Senior High
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QQ9701
QQ9701

求第四題過程 謝謝🙇

3. 不等式(x + 2)(2 - 3x) ≤ 0 之解為X-201X2號 (X+2)(3x-2)20 古言 4. 設f(x)為二次函數,且f(x)<0之解為-7<x<19,則不等式(-3x + 1) < 0 之解為 一子 (X+7)(HKO (-4X+1)=12(-4x+12133<0 -b<x<= X=12X-133<0 16X-8X+1+48X-12-13320 11.7² +407, -144 20
高一數學 一元二次不等式 數學1-4

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